Crossword - Group 21

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Across
  1. 2. conducting coil that read and write data on disks
  2. 4. used to erase data from EPROM
  3. 10. converts Assembly instructions into Machine instructions
  4. 13. RAM that stores data as charge on capacitors
  5. 14. external device connected to the computer system
  6. 16. holds the fetched instruction
  7. 17. fastest on-chip storage device
  8. 18. memory device with highest access time
  9. 19. signals describing the state of an I/O device
  10. 20. another name for machine instructions
Down
  1. 1. basic element of semiconductor memory
  2. 3. holds the address of next instruction
  3. 5. time elapsed in read or write operation
  4. 6. specifies the operation to be performed by the processor
  5. 7. state of instruction cycle at which result is written in the memory
  6. 8. controls the operation of CPU
  7. 9. communition line within CPU
  8. 11. minimum unit of transfer between cache and main memory
  9. 12. error correcting codes devised by Richard Hamming
  10. 15. abbreviations to represent opcodes